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If a region has 62 percent working-age population, 25 percent children, and 13 percent elderly people, approximately what is the age-based dependency ratio per 100 working-age persons?

Answer and explanation

Correct answer: About 61

The governing concept is the age-based dependency ratio, calculated as: dependent population divided by working-age population, multiplied by 100. Children and elderly people are the dependents here, so their combined share is 25 + 13 = 38 percent. The ratio is therefore (38 ÷ 62) × 100 = approximately 61.3, or about 61 dependents per 100 working-age persons. Option B is correct. Option A is only the percentage share of dependents and does not use the working-age denominator. Options C and D do not follow from the stated figures and confuse a ratio with a population percentage.

Related tags

Dependency RatioWorking-Age PopulationAge CalculationDependent PopulationAge StructurePopulation CompositionGeographyClass 12 Mcq

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